Landscape box-type substation

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a landscape box-type substation. Comprising a switch cabinet and an underground power transformation box, the switch cabinet comprises a box body, a switch cabinet body and an advertising lamp box plate, the switch cabinet body is arranged in the box body, the advertising lamp box plate is rotatably connected to the box body, the switch cabinet body is connected with the underground power transformation box through a cable, and the switch cabinet body is arranged above the ground. According to the utility model, the switch cabinet which needs to be frequently operated and maintained relative to a power transformation box is arranged on the ground, so that maintenance personnel can operate and maintain the switch cabinet more conveniently. And the advertising lamp box plate is assisted to shield the outer side of the switch cabinet, so that the effect of beautifying the environment in use scenes such as residential areas, airports, tunnels and the like is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a landscape-type box-type transformer substation. Background Art

[0002] The underground box-type substation mainly consists of two parts: underground transformers (including prefabricated pits) installed underground and high and low voltage switchgear. Among them, the underground transformer is a new type of distribution transformer with high-voltage fuse protection that can be submerged in water for a period of time. It has been widely used in airports, highways, bridges, tunnels and other scenes; the interior of the high and low voltage switchgear is an outdoor high and low voltage distribution cabinet.

[0003] For example, a buried box-type substation authorized by the Chinese patent authorization announcement number: CN111834948B on March 15, 2022 includes an outer box body, a maintenance well is arranged on the top wall of the outer box body, a sealing door is arranged on the maintenance well, a convex well is arranged on the outer box body around the maintenance well, a pressure-bearing well cover is arranged on the convex well, the pressure-bearing well cover includes a pressure-bearing plate and a rain shield, one side of the pressure-bearing plate is hinged to the convex well, and the other side is hinged to the rain shield, and when the pressure-bearing plate is covered on the convex well, the rain shield is arranged between the pressure-bearing plate and the convex well, and a first drain pipe is arranged on the outer box body between the convex well and the maintenance well, and the water outlet of the first drain pipe is connected to a drainage assembly. This application has the effect of facilitating the maintenance of the buried box-type substation in rainy weather.

[0004] However, the technical solution of this application is relatively hidden and not aesthetically pleasing on the surface, and the entire substation is placed underground. Maintenance personnel are required to go underground for simple maintenance. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to:

[0006] 1. Provide a landscape-type box-type substation, place the parts that require frequent maintenance on the surface that is easy to observe, and use advertising light boxes to beautify the landscape.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a landscape-type box-type substation, comprising a switch cabinet and an underground transformer box, the switch cabinet comprising a box body, a switch cabinet and an advertising light box board, the switch cabinet is arranged in the box body, the advertising light box board is rotatably connected to the box body, the switch cabinet is connected to the underground transformer box by a cable, and the switch cabinet is arranged above the ground surface.

[0008] This solution places the switch cabinet, which requires frequent operation and maintenance, on the ground, so that maintenance personnel can operate and maintain the switch cabinet more conveniently. The advertising light box shields the outside of the switch cabinet, which helps beautify the environment in residential areas, airports, tunnels and other usage scenarios.

[0009] Optionally, the underground transformer box is arranged in a preset pit, and a wire hole for passing the power supply line is arranged on the side wall of the preset pit, a preset step for raising the underground transformer box is arranged at the bottom of the preset pit, a cable port for passing the cable is arranged at the top of the preset pit, and an inspection port for maintenance is arranged at the top of the preset pit, and the inspection port is covered with a locked inspection port cover.

[0010] Prefabricated steps are mainly used to raise the bottom of the underground transformer box to prevent a small amount of accumulated water in the pit that cannot be quickly removed from affecting the bottom of the underground transformer box, reduce sewage corrosion on the bottom of the transformer box, and thus increase the service life of the underground transformer box.

[0011] Optionally, the inspection port cover is provided with a locking device for locking the inspection port cover relative to the inspection port, and the position of the locking device corresponds to the position of the advertising light box farthest from the advertising light box and the box body at one end of the rotation connection. The locking device can be any locking member that can lock the inspection port cover relative to the inspection port.

[0012] By using the method of covering the locking device at the end of the advertising light box board, the aesthetic effect can be further improved while also providing a reminder for maintenance personnel who need to go down to the preset pit, so that they can follow the maintenance sequence of first lifting the advertising light box board to check the switch cabinet and then going down to the pit to check the underground transformer box.

[0013] Optionally, a first inclined surface is provided at one end of the advertising light box board away from the rotation connection between the advertising light box board and the box body.

[0014] Optionally, the box body is provided with at least two baffles near the locking device, and the baffles, the inspection port cover, and the first inclined surface form a closed space when the advertising light box panel is in a closed state, and the locking device is located in the closed space.

[0015] The closed space formed by the baffle, the inspection port cover and the first inclined surface isolates the locking device from direct contact with the outside world to a certain extent, reducing the impact of external humidity, rain, dust and other factors on the life of the locking device.

[0016] Optionally, the switch cabinet includes a low-voltage switch cabinet and a high-voltage switch cabinet, the cable includes a high-voltage cable and a low-voltage cable, the low-voltage switch cabinet is connected to the underground transformer box through the low-voltage cable, and the high-voltage switch cabinet is connected to the underground substation through the high-voltage cable.

[0017] Optionally, the high voltage cable is a three-phase high voltage cable.

[0018] Optionally, the low-voltage cable is a four-core low-voltage cable.

[0019] Optionally, a drainage pump is further provided in the pre-set pit, and the drainage pump is located at the lowest level of the pre-set pit. A drainage pipe is extended from the drainage pump, and the drainage pipe outlet is located outside the box.

[0020] The beneficial technical effect of the utility model is that the switch cabinet that needs frequent operation and maintenance is placed on the ground, so that maintenance personnel can operate and maintain the switch cabinet more conveniently. The advertising light box board shields the outside of the switch cabinet, which has the effect of beautifying the environment in residential areas, airports, tunnels and other use scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the side structure of the utility model when the limited-position advertising light box is opened;

[0023] Figure 3 This is a schematic diagram of the side structure of the utility model limited position advertising light box when it is closed;

[0024] Figure 4 It is a schematic diagram of the side cross-sectional structure of the locking device of the utility model;

[0025] Figure 5 This is a structural schematic diagram of the locking device of the utility model when the switch cabinet is omitted.

[0026] Figure markings: 1-box, 2-advertising light box, 3-low-voltage switch cabinet, 4-high-voltage switch cabinet, 5-four-core low-voltage cable, 6-three-phase high-voltage cable, 7-underground transformer box, 8-pre-installed pit, 9-wire hole, 10-pre-installed step, 11-inspection port, 12-cable port, 13-drainage pump, 14-drainage pipe, 15-locking device, 16-first slope, 17-baffle, 18-inspection port cover. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0028] Reference Figure 1-5 As shown, a landscape-type box-type substation includes a switch cabinet and an underground transformer box. The switch cabinet includes a box body 1, a switch cabinet and an advertising light box board 2. The switch cabinet is arranged in the box body 1. The advertising light box board 2 is rotatably connected to the box body 1 through a hinge. The switch cabinet is connected to the underground transformer box 7 through a cable, and the switch cabinet is arranged above the ground.

[0029] The switch cabinet includes a low-voltage switch cabinet 3 and a high-voltage switch cabinet 4, and the cables include high-voltage cables and low-voltage cables. The low-voltage switch cabinet 3 is connected to the underground transformer box 7 through a four-core low-voltage cable 5, and the high-voltage switch cabinet 4 is connected to the underground substation through a three-phase high-voltage cable 6.

[0030] The underground transformer box 7 is arranged in a pre-installed pit 8, and a wire hole 9 for the power supply line to pass through is arranged on the side wall of the pre-installed pit 8. A pre-installed step 10 for raising the underground transformer box 7 is arranged at the bottom of the pre-installed pit 8. A cable port 12 for passing cables is arranged at the top of the pre-installed pit 8. An inspection port 11 for maintenance is arranged at the top of the pre-installed pit 8, and the inspection port 11 is covered with a locked inspection port cover 18. A drainage pump 13 is also arranged in the pre-installed pit 8, and the drainage pump 13 is located at the lowest level of the pre-installed pit 8. A drainage pipe 14 extends from the drainage pump 13, and the outlet of the drainage pipe 14 is located outside the box body 1.

[0031] The inspection port cover 18 is provided with a locking device 15 for locking the relative position of the inspection port cover 18 and the inspection port 11. The position of the locking device 15 corresponds to the position of the advertising light box board 2 at one end far from the rotational connection between the advertising light box board 2 and the box body 1. The advertising light box board 2 is provided with a first inclined surface 16 at one end far from the rotational connection between the advertising light box board 2 and the box body 1. At least two baffles 17 are provided near the locking device 15 of the box body 1. The baffles 17, the inspection port cover 18, and the first inclined surface 16 form a closed space when the advertising light box board 2 is in a closed state. The locking device 15 is located in the closed space.

[0032] This solution places the switch cabinet, which needs frequent operation and maintenance, on the ground, so that maintenance personnel can operate and maintain the switch cabinet more conveniently. The advertising light box board 2 shields the outside of the switch cabinet, which has the effect of beautifying the environment in residential areas, airports, tunnels and other usage scenarios.

[0033] The prefabricated steps are mainly used to raise the bottom of the underground transformer box 7 to prevent a small amount of accumulated water in the pit that cannot be quickly removed from affecting the bottom of the underground transformer box 7, reduce sewage corrosion on the bottom of the transformer box, and thus increase the service life of the underground transformer box 7.

[0034] By using the locking device 15 covering the end of the advertising light box panel 2, the aesthetic effect can be further improved while reminding the maintenance personnel who need to go down to the preset pit 8 so that they can follow the maintenance sequence of first opening the advertising light box panel 2 to check the switch cabinet and then going down to the pit to check the underground transformer box 7.

[0035] The closed space formed by the baffle 17 , the inspection port cover 18 and the first inclined surface 16 isolates the locking device 15 from direct contact with the outside world to a certain extent, thereby reducing the impact of external humidity, rain, dust and other factors on the life of the locking device 15 .

[0036] In general, the advertising light box board 2 is in the down position, and the locking device 15 is insulated from the outside world in the closed space. To open the inspection port cover 18, the advertising light box board 2 needs to be lifted up first, and then the locking device 15 is unlocked, and the inspection port cover 18 is removed from the inspection port 11, so as to enter the pre-set pit 8 for inspection.

[0037] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A landscape box-type substation, characterized by: It includes a switch cabinet and an underground transformer box. The switch cabinet includes a box body, a switch cabinet and an advertising light box board. The switch cabinet is arranged in the box body. The advertising light box board is rotatably connected to the box body. The switch cabinet is connected to the underground transformer box through a cable. The switch cabinet is arranged above the ground surface. The underground transformer box is arranged in a pre-installed pit, a wire hole for passing the power supply line is arranged on the side wall of the pre-installed pit, a pre-installed step for raising the underground transformer box is arranged at the bottom of the pre-installed pit, a cable port for passing the cable is arranged at the top of the pre-installed pit, and an inspection port for maintenance is arranged at the top of the pre-installed pit, and the inspection port is covered with a locked inspection port cover; The inspection port cover is provided with a locking device for locking the relative position between the inspection port cover and the inspection port, and the position of the locking device corresponds to the position of one end of the rotation connection between the advertising light box and the box body; The advertising light box board is provided with a first inclined surface at one end of the rotation connection between the advertising light box board and the box body; The box body is provided with at least two baffles near the locking device. The baffles, the inspection port cover and the first inclined surface form a closed space when the advertising light box is in a closed state. The locking device is located in the closed space.

2. A landscape-type box-type substation according to claim 1, characterized in that: The switch cabinet includes a low-voltage switch cabinet and a high-voltage switch cabinet, the cable includes a high-voltage cable and a low-voltage cable, the low-voltage switch cabinet is connected to the underground transformer box through the low-voltage cable, and the high-voltage switch cabinet is connected to the underground transformer box through the high-voltage cable.

3. A landscape-type box-type substation according to claim 2, characterized in that: The high-voltage cable is a three-phase high-voltage cable.

4. A landscape-type box-type substation according to claim 2, characterized in that: The low-voltage cable is a four-core low-voltage cable.

5. A landscape-type box-type substation according to claim 2, characterized in that: A drainage pump is also provided in the pre-placed pit. The drainage pump is located at the lowest level of the pre-placed pit. A drainage pipe is extended from the drainage pump. The drainage pipe outlet is located outside the box.

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